τῶν τοιούτων -- ζῳγράφος ἐστίν. The Painter will copy with less accuracy than a mirror, so that according to Plato's way of reasoning in this passage Photography is superior in point of truth to Painting (Reber Plato u. die Poesie p. 23). See however on 598 A.

οὐ—μέντοι. I 339 B note ἄρτι refers to 596 B.